CN219842016U - High-precision gas flowmeter - Google Patents
High-precision gas flowmeter Download PDFInfo
- Publication number
- CN219842016U CN219842016U CN202321129179.1U CN202321129179U CN219842016U CN 219842016 U CN219842016 U CN 219842016U CN 202321129179 U CN202321129179 U CN 202321129179U CN 219842016 U CN219842016 U CN 219842016U
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- CN
- China
- Prior art keywords
- gas flowmeter
- filter box
- fixed plate
- plate
- rotating rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 13
- 239000000779 smoke Substances 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 7
- 241000220317 Rosa Species 0.000 description 9
- 244000309464 bull Species 0.000 description 8
- 238000001914 filtration Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of gas flow meters and discloses a high-precision gas flow meter which comprises a gas flow meter, wherein the end part of the gas flow meter is communicated with a filter box, the side wall of the filter box is provided with an opening, a filter screen is arranged in the opening in a sliding way, a filter screen cover is arranged on the outer side of an air inlet of the gas flow meter, the side wall of the filter box is fixedly provided with a fixed plate, a rotating rod is arranged in the fixed plate in a rotating way, a cover plate is fixedly sleeved on the rod wall of the rotating rod, the cover plate is matched with the opening, and a rotation limiting mechanism is arranged between the rotating rod and the fixed plate. The utility model can effectively filter the smoke dust of the gas entering the flowmeter, and avoid the influence of the smoke dust in the gas on the detection precision by shielding the sensor.
Description
Technical Field
The utility model relates to the technical field of gas flow meters, in particular to a high-precision gas flow meter.
Background
The gas flowmeter is a meter for measuring gas flow, an ultrasonic sensor is arranged in the flowmeter to rapidly detect gas entering the flowmeter, but when the flow of the gas containing smoke dust is detected, dust in the gas is easy to be stained on the outer side of the sensor, so that the sensor cannot accurately detect the gas, and the detection precision of the gas flowmeter is affected.
Therefore, we propose a high-precision gas flow meter to solve the above problems.
Disclosure of Invention
The utility model aims to provide a high-precision gas flowmeter, which can effectively filter smoke dust in the gas entering the flowmeter and avoid the influence of the smoke dust in the gas on the detection precision by shielding a sensor.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the high-precision gas flowmeter comprises a gas flowmeter, wherein the end part of the gas flowmeter is communicated with a filter box, the side wall of the filter box is provided with an opening, a filter screen is arranged in the opening in a sliding penetrating way, the filter screen cover is arranged on the outer side of a gas inlet of the gas flowmeter,
the lateral wall of rose box is fixed and is equipped with the fixed plate, the inside rotation of fixed plate wears to be equipped with the bull stick, the fixed cover of pole wall of bull stick is equipped with the apron, apron and opening cooperation setting, be equipped with rotation stop gear between bull stick and the fixed plate.
Preferably, the both sides of filter screen are all fixed and are equipped with the slider, the spout has all been seted up to the inner wall both sides of rose box, the slider slides and locates in the spout.
Preferably, a sealing gasket is fixedly arranged at the bottom of the cover plate, and the sealing gasket is in contact connection with the outer wall of the filter box.
Preferably, the rotation limiting mechanism comprises a sliding plate, slots are formed in two ends of the bottom of the fixed plate, the sliding plate is slidably arranged on the outer side of the rotating rod, two symmetrically arranged inserted bars are fixedly arranged at the top of the sliding plate, the inserted bars are inserted into the slots, springs are sleeved on the wall of the rotating rod, and two ends of each spring are fixedly connected with the fixed plate and the sliding plate respectively.
Preferably, the two sides of the filter box are fixedly provided with connecting flanges in a penetrating way.
Preferably, the lower end of the side wall of the sliding plate is rotatably provided with a pull ring.
Compared with the prior art, the utility model provides a high-precision gas flowmeter, which has the following beneficial effects:
1. this high accuracy gas flowmeter, through rose box, flange, slider, spout, filter screen, fixed plate, bull stick, apron and the sealed pad that are equipped with, establish the lid to gas flowmeter through the filter screen, carry out the filtration of smoke and dust to the gas that gets into the flowmeter inside, avoid the dust to cover the inside ultrasonic sensor of flowmeter as far as possible, guarantee the measuring accuracy when flowmeter uses.
2. This high accuracy gas flowmeter through fixed plate, bull stick, apron, closing plate and the rotation stop gear that are equipped with, can connect the separation with the opening of apron and rose box, is convenient for take out the change to the filter screen in the rose box.
The device has the advantages that the operation is convenient, the gas entering the flowmeter can be effectively filtered by smoke dust, the influence of the smoke dust shielding sensor in the gas on the detection precision is avoided as much as possible, and the detection precision of the gas flowmeter is improved.
Drawings
FIG. 1 is a schematic diagram of a high-accuracy gas flowmeter according to the present utility model;
FIG. 2 is a schematic side view of the filter box of FIG. 1;
fig. 3 is an enlarged view of the structure of the portion a in fig. 1.
In the figure: 1 gas flowmeter, 2 rose box, 3 filter screen, 4 fixed plates, 5 bull stick, 6 apron, 7 sliders, 8 sealed pad, 9 slide, 10 inserted bars, 11 springs, 12 flange, 13 pull rings.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-2, a high-precision gas flowmeter comprises a gas flowmeter 1, wherein a filter box 2 is arranged at the end part of the gas flowmeter 1 in a communicated manner, connecting flanges 12 are fixedly arranged on two sides of the filter box 2 in a penetrating manner, and the filter box 2 can be communicated with the flowmeter and an air inlet pipe.
As shown in fig. 1, the side wall of the filtering box 2 is provided with an opening, a filter screen 3 is arranged in the opening in a sliding manner, the filter screen 3 is covered on the outer side of the air inlet of the gas flowmeter 1, smoke dust filtration can be carried out on gas entering the flowmeter, dust is prevented from entering the flowmeter as much as possible, and the detection precision of the gas flowmeter 1 is improved.
As shown in fig. 1, the fixed plate 4 that is equipped with of lateral wall of rose box 2, the bull stick 5 is worn to the inside rotation of fixed plate 4, and the fixed cover of pole wall of bull stick 5 is equipped with apron 6, and apron 6 and opening cooperation set up, and the fixed sealed pad 8 that is equipped with in bottom of apron 6, sealed pad 8 and the outer wall contact connection of rose box 2, apron 6 and sealed pad 8 can guarantee the leakproofness of filter screen 3 when rose box 2.
As shown in fig. 3, a rotation limiting mechanism is arranged between the rotating rod 5 and the fixed plate 4, the rotation limiting mechanism comprises a sliding plate 9, slots are formed in two ends of the bottom of the fixed plate 4, the sliding plate 9 is slidably arranged on the outer side of the rotating rod 5, two symmetrically arranged inserted rods 10 are fixedly arranged at the top of the sliding plate, the inserted rods 10 are inserted into the slots, and the position of the cover plate 6 is determined.
As shown in fig. 3, the rod wall of the rotating rod 5 is sleeved with a spring 11, two ends of the spring 11 are fixedly connected with the fixed plate 4 and the sliding plate 9 respectively, and a pull ring 13 is rotatably arranged at the lower end of the side wall of the sliding plate 9, so that the sliding plate 9 can be worked, the inserting rod 10 is pulled out from the inside of the slot, and the cover plate 6 can be rotated and changed in position conveniently.
As shown in fig. 1, the two sides of the filter screen 3 are fixedly provided with sliding blocks 7, the two sides of the inner wall of the filter tank 2 are provided with sliding grooves, the sliding blocks 7 are slidably arranged in the sliding grooves, the position of the filter screen 3 in the filter tank 2 is determined, and meanwhile the filter screen 3 is conveniently pulled out and replaced.
According to the utility model, the filter box 2 is connected with the gas flowmeter 1 and the gas inlet pipe through the connecting flange 12, so that when the gas flowmeter 1 detects the flow of the gas, the gas is filtered through the filter screen 3, smoke dust is prevented from shielding the sensor in the flowmeter as much as possible, the flow detection precision is improved, after the filter screen 3 in the filter box 2 is used for a certain time, the pull ring 13 is pulled, the sliding plate 9 extrudes the spring 11, the inserting rod 10 is pulled out of the slot, the rotating rod 5 is rotated, the cover plate 6 drives the sealing gasket 8 to be far away from the opening of the filter box 2, the filter screen 3 can be pulled at the moment, and the filter screen 3 is taken out from the filter box 2 under the action of the sliding block 7 and the sliding groove, so that the filter screen 3 is convenient to replace.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The high-precision gas flowmeter comprises a gas flowmeter (1), and is characterized in that the end part of the gas flowmeter (1) is communicated with a filter box (2), an opening is formed in the side wall of the filter box (2), a filter screen (3) is arranged in the opening in a sliding penetrating manner, the filter screen (3) is covered on the outer side of an air inlet of the gas flowmeter (1),
the filter box is characterized in that a fixed plate (4) is fixedly arranged on the side wall of the filter box (2), a rotating rod (5) is arranged in the fixed plate (4) in a rotating mode, a cover plate (6) is fixedly sleeved on the rod wall of the rotating rod (5), the cover plate (6) is matched with the opening, and a rotation limiting mechanism is arranged between the rotating rod (5) and the fixed plate (4).
2. The high-precision gas flowmeter according to claim 1, wherein sliding blocks (7) are fixedly arranged on two sides of the filter screen (3), sliding grooves are formed on two sides of the inner wall of the filter box (2), and the sliding blocks (7) are slidably arranged in the sliding grooves.
3. The high-precision gas flowmeter according to claim 1, wherein a sealing gasket (8) is fixedly arranged at the bottom of the cover plate (6), and the sealing gasket (8) is in contact connection with the outer wall of the filter box (2).
4. The high-precision gas flowmeter according to claim 1, wherein the rotation limiting mechanism comprises a sliding plate (9), slots are formed in two ends of the bottom of the fixed plate (4), the sliding plate (9) is slidably arranged on the outer side of the rotating rod (5), two symmetrically arranged inserted rods (10) are fixedly arranged at the top of the sliding plate, the inserted rods (10) are inserted into the slots, springs (11) are sleeved on the rod wall of the rotating rod (5), and two ends of each spring (11) are fixedly connected with the fixed plate (4) and the sliding plate (9) respectively.
5. A high-precision gas flowmeter according to claim 1, characterized in that the filter box (2) is fixedly provided with connecting flanges (12) on both sides.
6. A high accuracy gas meter according to claim 4, wherein the lower end of the side wall of the slide plate (9) is rotatably provided with a pull ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321129179.1U CN219842016U (en) | 2023-05-11 | 2023-05-11 | High-precision gas flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321129179.1U CN219842016U (en) | 2023-05-11 | 2023-05-11 | High-precision gas flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219842016U true CN219842016U (en) | 2023-10-17 |
Family
ID=88303396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321129179.1U Active CN219842016U (en) | 2023-05-11 | 2023-05-11 | High-precision gas flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842016U (en) |
-
2023
- 2023-05-11 CN CN202321129179.1U patent/CN219842016U/en active Active
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